Test which online OCR service fits best for your project: Upload your image, select the OCR engine to test (Google Cloud Vision OCR, Microsoft Azure Cognitive Services Computer Vision API, OCR.space) and then assess the recognition quality yourself with the overlay. Scroll down for a price comparison of the 3 OCR engines.

Free OCR API Comparison Service

No images to test? Try these URLs for
English text, Chinese text or PDF scan
(PDF only accepted by OCR.space)

Load Source File:


Paste URL to image or pdf file

Select OCR Language

Image Preview

Image Overlay (click to enlarge)

OCR'ed Text Result

Price comparison: Google Cloud Vision vs MS Azure OCR vs OCR.space

Price comparison Google Cloud MS Azure OCR.space
Free tier/month 1000 5000 25,000
Credit card required for free tier yes yes no (sign-up)
1 conversion 0.35 cent 0.15 cent 0.01 cent
10,000 conv/month US$ 34 US$ 10 Free
25,000 conv/month US$ 84 US$ 30 Free
100,000 conv/month US$ 349 US$ 145 US$ 10
250,000 conv/month US$ 874 US$ 370 US$ 25
1 million conv/month US$ 3500 US$ 1500 US$ 88
2 million conv/month US$ 7000 US$ 2500 US$ 175

Prices as of July 27, 2017 (Screenshot Google Prices and Microsoft Azure)

Want to try out the free OCR.space OCR in your project? Sign-up here (only email required).

Our opinion is: Unless you really need the somewhat better OCR quality of Google Cloud vision OCR, the most economical option is to use our free OCR API (Sign-up here) or its PRO version. OCR.space is the low-cost airline of OCR services.

Try our Copyfish 🐟 Free OCR Software Chrome and Firefox extension: Extract and translate text from any image, video or PDF. It's fun to use - and powered by our OCR API. The full source code is available on GitHub (OSI-certified Open-Source).

OCR software or OCR API questions? Please contact the OCR team - we love to answer OCR questions.